The Bolt,flange,6x10 is the cheapest item from this partsfiche.
Check out any of the fourteen Steering Stem / Horn components enlisted.
Parts such as the Steering Stem / Horn: Holder,grease, Clip,wire Harness, Thread,strg.head, Bolt,flange,10x35 are included in the Cb750k 750 Four K 1979 (z) Usa Steering Stem / Horn parts fiche.